Chapter 5. SHIPMENT, STORAGE, AND DESTRUCTION OF MATERIEL TO PREVENT ENEMY USE

TM 9-6685-202-14

CHAPTER 5

SHIPMENT, STORAGE, AND DESTRUCTION OF MATERIEL TO PREVENT ENEMY USE

screw in the bottom of the cistern (fig. 3-1). Use a

5-1. Shipment and Limited Storage

clean screwdriver, inserted through the cistern lid.

a. Responsibility. When shipping the barometer,

CAUTION

the officer in charge of preparing the shipment will be

Do not overtighten the mercury

responsible for furnishing the materiel in a serviceable

locking screw. Overtightening can

condition and properly processed for shipment, including

damage the valve seat.

the preparation of Army shipping documents.

b. Army Shipping Documents. Prepare all Army

shipping documents in accordance with TM 38-750.

(4) Replace the cistern nipple (or micrometer)

with the cistern shipping plug, together with its gasket.

c. Preparation for Shipment. Materiel removed

from storage for shipment need not be reprocessed

(5) On the type A-1, close the tube seal valve

unless inspection reveals it to be inadequately

and cover the end of the tube evacuation nipple with the

preserved or when it is necessary because of

top of a medicine dropper or similar cover.

anticipated in-transit weather or shipping conditions.

(6) On the modified barometer, remove the

Preservatives must not be removed or disturbed unless

evacuation manifold and cover the end of the tube

necessary to insure that the materiel is complete and

evacuation port with a 3/8-inch tubing cap or suitable

serviceable. If preservatives are removed, they must be

fitting.

restored prior to shipment.

(7) Remove the barometer from the mounting

d. Preparation for Limited Storage. To prepare

platform by releasing the two socket head screws.

the barometer for limited storage, wipe the scale and

(8) Remove the batteries.

thermometer rods, and the edges of the scale and cam

(9) Wrap the magnifier and micrometer and

bar with a soft cloth to which a few drops of instrument

place them, the cistern nipple, and the squeeze pump in

oil, specification MIL-L-6085, have been applied. If

the shipping case.

physical damage is not likely to occur during storage,

the barometer can be stored in its normal position with

f. Interior Packaging. For interior packaging, a

the mercury retained in the cistern. Use the procedure

wooden box 6 inches high, 8 inches wide, and 45 inches

for preparing the barometer for shipment, paragraph 5-1

long, is used. The box is constructed with 3/4-inch

e below, omitting removal of the mounting platform,

Group 1 wood sides and ends, and 5/16-inch plywood

step (7). Protect the barometer from dust and dirt by

bottom and top. The barometer is supported inside the

covering it with the plastic dust cover provided. If

box by a two-piece yoke, one inch thick, with a

damage is likely to occur during storage, carry out

semicircle cut in each half. The yoke is positioned

provisions of paragraph 5-1e completely and package it

approximately eight inches from one end of the box.

in its inner container in accordance with paragraph 5-1f.

The other end of the box is drilled to receive the two

e. Preparation for Shipment.

Dismantle the

socket head screws which fasten the barometer to its

barometer for shipment in the following manner:

mounting platform.

With the mounting platform

(1) Release the vacuum in the barometer

removed, these screws are used to secure the base to

tube.

the end of the box. After preparing the barometer,

(2) Tilt the barometer over backwards to get

package it as follows: (1) The barometer, mounting

all the mercury in the cistern. Support the top of the

platform, and micrometer shall be individually wrapped

barometer to maintain this position.

in waxed paper conforming to MIL-B121, Type II, Grade

(3) Remove

the

cistern

nipple

(or

A, Class 1.

micrometer) and securely close the mercury locking

5-1